Spirit runners was popular after game release. Players stoped play them bcs all want be DPS. But with upcoming celestial gear they starting be again popular.
+ balanced dmg/heal/surv, spirit attacks can slow and hurt enemies,
Bonuses for group: 10% dmg, swiftness, protection or fire dmg.
Elite spirit -heal, condi.remove and revive - all aoe.
Moas boons for group: fury + protection + vigor.
- no stunbreak, spirits die easy - so dont run with them to brutal aoes like
for example fotm Volcano xD
http://gw2skills.net/editor/?fMUQNAV8fjEVV1dVmVg2BiWBN9eQL23e3jSRqTVxb7A-jwyAo+BNjxQoABjWATbgICIJ/ioxWFLiGrqmIqWdjZwLiWNA-e